:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;color:#18243b;background:#f5f7fb;font-synthesis:none;--blue:#245cff;--ink:#17243b;--muted:#738097;--line:#e5eaf2;--green:#159d76}*{box-sizing:border-box}body{margin:0}a{color:var(--blue);text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus,textarea:focus{outline:3px solid #a4bdff;outline-offset:3px}button{border:0}h1,h2,h3,p{margin-top:0}h1{font-size:2.3rem;letter-spacing:-.045em;line-height:1.25;margin-bottom:12px}h2{font-size:1.2rem;letter-spacing:-.025em;margin-bottom:12px}h3{font-size:1rem}p{line-height:1.75}small{font-size:.8rem}.muted{color:var(--muted)}.hint{font-size:.82rem;line-height:1.7;color:var(--muted);margin:12px 0}.blue{color:var(--blue)}[hidden]{display:none!important}.site-header{height:90px;max-width:1296px;margin:auto;padding:0 48px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:13px;font-weight:750;font-size:1.3rem;color:var(--ink);letter-spacing:-.03em}.brand small{display:block;font-size:.58rem;letter-spacing:.2em;font-weight:650;color:#8792a5;margin-top:3px}.brand-mark{position:relative;display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:var(--blue);color:#fff;font-size:1.85rem;line-height:1;box-shadow:0 5px 14px #245cff20}.brand-mark>span{font-size:1.3rem;position:absolute;right:3px;top:1px}.site-header nav{display:flex;gap:24px;align-items:center}.quiet-link{font-size:.82rem;color:#758197}.shell{max-width:1200px;margin:32px auto 70px;padding:0 36px}.eyebrow{font-size:.69rem;font-weight:700;letter-spacing:.15em;color:#71839f;display:flex;align-items:center;gap:8px;margin-bottom:17px}.live-dot{display:inline-block;width:7px;height:7px;background:#1cb78a;border-radius:50%;box-shadow:0 0 0 4px #1cb78a12}.activation-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:76px;align-items:center;min-height:570px}.welcome h1{font-size:3.7rem;line-height:1.3;margin:25px 0;letter-spacing:-.06em}.welcome-copy{font-size:1.05rem;color:#78859c;line-height:1.95}.supported{display:flex;gap:10px;align-items:center;margin-top:28px;font-size:.8rem;font-weight:600;color:#536079}.divider{width:1px;height:18px;background:#d5dce8;margin:0 8px}.format-icon{display:grid;place-items:center;width:27px;height:27px;border-radius:8px;font-size:.88rem;font-weight:850}.wps-icon{background:#fff0ec;color:#ed6c4f}.seewo-icon{background:#e6f8f1;color:#0ca779}.format-icon.large{width:48px;height:48px;border-radius:14px;font-size:1.65rem;flex-shrink:0}.process{margin-top:54px;display:flex;gap:30px;border-top:1px solid #e0e6f0;padding-top:22px}.process div{display:flex;flex-direction:column;gap:10px}.process b{font-size:.72rem;color:#9eabc1;font-weight:600}.process span{font-size:.8rem;color:#566680}.activation-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:40px;box-shadow:0 18px 70px #16345c06}.card-kicker{font-size:.75rem;color:var(--blue);font-weight:650;margin-bottom:17px}.activation-card h2{font-size:1.65rem;margin-bottom:13px;letter-spacing:-.04em}.activation-card>.muted{font-size:.88rem;margin-bottom:30px}label{display:block;font-size:.85rem;font-weight:600;color:#45526a;margin-bottom:10px}input:not([type=checkbox]),textarea{width:100%;padding:15px 16px;border:1px solid #dce3ee;border-radius:10px;background:#fcfdff;color:var(--ink);font-size:.92rem;transition:border-color .15s}input::placeholder{color:#a2adbf;font-size:.85rem}input:focus,textarea:focus{border-color:#7f9fff;background:white}input:disabled{background:#f0f3f8}input[type=file]{max-width:100%;font-size:.8rem}#activationCode{font-family:ui-monospace,SFMono-Regular,monospace;font-size:.83rem}form>.button.full{margin-top:22px}.button{border-radius:10px;display:inline-flex;align-items:center;justify-content:center;gap:14px;padding:14px 21px;font-size:.88rem;font-weight:650;line-height:1.5;white-space:nowrap;transition:background .15s,transform .15s}.button.primary{background:var(--blue);color:#fff;box-shadow:0 4px 10px #245cff14}.button.primary:hover:not(:disabled){background:#174be1}.button.secondary{background:#edf2ff;color:#315bc5}.button.secondary:hover:not(:disabled){background:#e1eafe}.button.subtle{background:#eef1f7;color:#5d6e88}.button.compact{font-size:.8rem;padding:10px 15px}.button.full{width:100%;justify-content:space-between;padding:17px 20px}.activation-note{border-top:1px solid var(--line);padding-top:23px;display:flex;gap:12px;margin-top:20px;color:#8895ab}.activation-note>span{color:var(--green);font-size:1rem}.activation-note p{font-size:.78rem;line-height:1.8;margin:0}.message{font-size:.85rem;color:#34765f;margin:14px 0 0;line-height:1.75;overflow-wrap:anywhere;min-height:0}.message:empty{display:none}.message.error{color:#bd5147}.workspace-heading{display:flex;justify-content:space-between;align-items:center;margin:10px 0 32px;gap:24px}.workspace-heading .eyebrow{margin-bottom:12px}.workspace-heading .muted{font-size:.9rem;margin:0}.account-chip{display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:white;border-radius:100px;padding:10px 15px;font-size:.78rem;color:#536780;max-width:300px;overflow-wrap:anywhere}.workspace-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:25px}.format-tabs{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:22px}.format-tab{display:flex;position:relative;align-items:center;gap:14px;text-align:left;padding:24px 20px;border:1.5px solid var(--line);border-radius:15px;background:white;color:var(--ink);min-height:108px;transition:border-color .15s}.format-tab strong{font-size:1.08rem;display:block;margin-bottom:8px;font-weight:700}.format-tab small{color:#8a97aa;font-size:.73rem}.format-tab.selected{border-color:var(--blue);background:#f8faff;box-shadow:0 3px 14px #245cff06}.tab-indicator{position:absolute;right:11px;top:10px;color:white;background:var(--blue);width:15px;height:15px;border-radius:50%;font-size:10px;display:none;text-align:center;line-height:15px}.selected>.tab-indicator{display:block}.panel{background:white;border:1px solid var(--line);border-radius:16px;padding:28px}.panel-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:22px}.panel-top h2{margin:0}.panel-top .hint{margin:8px 0 0}.mini-label{font-size:.72rem;background:#f1f4f9;color:#8493aa;padding:6px 10px;border-radius:5px;white-space:nowrap}.source-tabs{display:inline-flex;padding:4px;background:#f1f4f9;border-radius:8px;margin-bottom:26px;gap:3px}.source-tabs button{font-size:.82rem;color:#8090a7;background:transparent;border-radius:6px;padding:9px 16px}.source-tabs button.selected{background:white;box-shadow:0 1px 5px #17243b0b;color:var(--blue);font-weight:650}.generation-summary{border-top:1px solid #edf0f6;margin-top:28px;padding-top:21px;display:flex;justify-content:space-between;color:#7d8ba0;font-size:.78rem;gap:15px}#generateForm>.button{margin-top:18px}.download-link{display:block;border:1px solid #bfe3d6;background:#f1fbf7;border-radius:9px;color:#20815f;text-align:center;padding:13px;font-size:.85rem;margin-top:16px}.usage-card{padding:29px 25px;background:#15243b;color:#fff;border-radius:16px;box-shadow:0 10px 30px #18243b0a}.usage-card .eyebrow{color:#7e94b5}.usage-card>.muted{font-size:.83rem;color:#99acc6;margin-bottom:7px}.quota{display:flex;align-items:baseline;gap:9px;margin-bottom:24px}.quota strong{font-size:3.4rem;line-height:1.2;letter-spacing:-.05em;font-weight:600}.quota>span{font-size:.8rem;color:#97a9c3}.usage-row{display:flex;justify-content:space-between;gap:9px;margin-top:16px;font-size:.75rem}.usage-row>span{color:#91a4c0}.usage-row>strong{font-weight:500;color:#d4dfee}.code-mask{margin-top:25px;padding-top:18px;border-top:1px solid #ffffff15;font-family:ui-monospace,monospace;font-size:.69rem;color:#8297b5}.usage-card .error{color:#ffb4a0;font-size:.78rem}.guide-card{padding:26px 8px;color:#6a7d99}.guide-card h3{font-size:.88rem;color:#455670}.guide-card ol{padding-left:20px;font-size:.81rem;line-height:2.4}.guide-divider{height:1px;background:var(--line);margin:23px 0}.guide-card p{font-size:.79rem}.guide-card .hint{font-size:.75rem;color:#99a5b6}.admin-contact{margin-top:22px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:12px;color:#6a7d99}.admin-contact .eyebrow{font-size:.62rem;color:#94a1b5}.admin-contact h3{margin:7px 0 5px;font-size:.9rem;color:#455670}.admin-contact p{margin:0;font-size:.74rem}.admin-contact img{display:block;width:min(150px,100%);aspect-ratio:1/1;object-fit:cover;margin:18px auto 0;border-radius:8px}.upload-zone{border:1px dashed #c4d4ee;background:#f9fbff;border-radius:12px;text-align:center;padding:22px;display:flex;align-items:center;flex-direction:column;gap:10px;cursor:pointer}.upload-zone .upload-icon{width:35px;height:35px;border-radius:10px;background:#eaf0ff;color:var(--blue);font-size:1.5rem}.upload-zone strong{font-size:.88rem;overflow-wrap:anywhere;max-width:100%}.upload-zone>span:not(.upload-icon){font-size:.74rem;font-weight:400;color:#95a1b3}.upload-zone input{margin-top:5px;max-width:340px;background:white}.upload-action{display:flex;align-items:center;justify-content:space-between;margin:14px 0 25px;gap:15px}.upload-action .hint{margin:0}.hosted-panel{margin-top:22px}.text-button{padding:4px;background:none;color:#426fe0;font-size:.8rem;font-weight:600;white-space:nowrap}.text-button.danger{color:#b26c68}.empty{color:#a0acbd;text-align:center;font-size:.82rem;padding:23px 10px;margin:0}.upload-row{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-top:1px solid #edf0f6;gap:14px}.upload-info{min-width:0}.upload-info a{color:#445773;font-size:.84rem;overflow-wrap:anywhere;display:block}.upload-info small{color:#9aa6b8;margin-top:7px;display:block;font-size:.72rem}.row-actions{display:flex;gap:12px;flex-shrink:0}.site-footer{max-width:1200px;padding:25px 36px 36px;margin:0 auto;display:flex;justify-content:space-between;color:#a4afbf;font-size:.72rem;gap:20px}.site-footer>span:first-child{letter-spacing:.1em;font-weight:650}.admin-shell{max-width:1320px}.admin-login{max-width:440px;margin:85px auto 120px;padding:36px}.admin-login h1{font-size:1.8rem}.admin-login .muted{font-size:.9rem;margin-bottom:28px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:30px}.stat{padding:24px;background:#fff;border:1px solid var(--line);border-radius:13px}.stat>span{display:block;font-size:.8rem;color:#8492a8;margin-bottom:12px}.stat>strong{font-size:1.9rem;font-weight:650;letter-spacing:-.04em}.console-tabs{display:flex;gap:25px;border-bottom:1px solid var(--line);margin-bottom:25px}.console-tabs button{background:transparent;color:#8a98ad;padding:12px 0 17px;font-size:.9rem;border-bottom:2px solid transparent}.console-tabs button.selected{border-bottom-color:var(--blue);color:var(--blue);font-weight:650}.admin-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start}#adminStatus:not(:empty){margin-bottom:20px}.search-form{display:flex;gap:12px;margin-bottom:20px}.search-form input{font-size:.83rem;padding:11px 13px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;text-align:left;font-size:.78rem;white-space:nowrap}th{color:#8e9db3;font-size:.72rem;font-weight:500;padding:13px 10px;border-bottom:1px solid var(--line);background:#fbfcfe}td{padding:17px 10px;border-bottom:1px solid #edf1f6;color:#536580}td.name-cell strong{font-family:ui-monospace,monospace;font-size:.73rem;font-weight:500;display:block;color:#435470}td.name-cell small{display:block;margin-top:7px;color:#96a2b4;font-size:.73rem;max-width:220px;overflow:hidden;text-overflow:ellipsis}.status-badge{padding:5px 8px;border-radius:5px;font-size:.7rem;background:#f0f3f8;color:#8a97ab}.status-badge.active{color:#188363;background:#eaf7f1}.status-badge.expired,.status-badge.disabled{color:#b06457;background:#fff0ed}.status-badge.exhausted{color:#ab8031;background:#fff7e4}.pagination{display:flex;justify-content:space-between;align-items:center;margin-top:20px;font-size:.75rem;color:#95a2b6}.create-panel input{padding:12px;font-size:.84rem}.create-panel label:not(:first-child),#editForm>label:not(:first-child){margin-top:20px}.form-pair{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:20px}.create-panel .hint{font-size:.75rem;margin-top:17px}.create-panel .card-kicker{font-size:.65rem}.create-panel>.message{font-size:.78rem}dialog{border:1px solid var(--line);border-radius:18px;padding:30px;width:min(520px,calc(100vw - 32px));box-shadow:0 20px 100px #17243b26;color:var(--ink);max-height:90vh;overflow:auto}dialog::backdrop{background:#0d1d36aa;backdrop-filter:blur(3px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:15px}.dialog-head h2{margin:0}.icon-button{background:#f2f5f9;border-radius:8px;width:30px;height:30px;color:#6e7d94;font-size:1.3rem}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:24px}dialog>.muted{font-size:.83rem}textarea{font-family:ui-monospace,monospace;font-size:.81rem;line-height:1.7;resize:vertical}.checkbox-label{display:flex;align-items:center;gap:9px}.checkbox-label input{accent-color:var(--blue);width:17px;height:17px}
@media(min-width:1500px){.activation-layout{min-height:650px}}@media(max-width:1000px){.activation-layout{gap:35px}.welcome h1{font-size:3rem}.activation-card{padding:30px}.workspace-grid{grid-template-columns:minmax(0,1fr) 225px;gap:20px}.format-tab{padding:22px 14px;gap:10px}.format-tab small{font-size:.65rem}.format-icon.large{width:38px;height:38px}.admin-grid{grid-template-columns:1fr}.create-panel{max-width:none}.create-panel form{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px}.create-panel form label{margin-top:12px!important}.create-panel .form-pair{grid-column:1/-1;margin-top:0}.create-panel form>.button,.create-panel form>.hint{grid-column:1/-1}.stats-grid{gap:12px}}
@media(max-width:760px){.site-header{height:76px;padding:0 22px}.site-header nav{gap:15px}.brand{font-size:1.15rem}.brand small{font-size:.52rem}.brand-mark{width:36px;height:36px;font-size:1.6rem}.shell{padding:0 20px;margin:20px auto 35px}.activation-layout{grid-template-columns:1fr;min-height:auto;gap:30px}.welcome{padding:20px 2px}.welcome h1{font-size:2.7rem;margin:17px 0}.welcome-copy{font-size:.94rem}.supported{margin-top:22px}.process{display:none}.activation-card{padding:28px}.activation-card h2{font-size:1.4rem}.workspace-heading{align-items:flex-start;margin-top:20px}.workspace-heading h1{font-size:1.9rem}.account-chip{font-size:.65rem;max-width:135px;padding:9px 12px}.workspace-grid{grid-template-columns:1fr}.workspace-aside{display:grid;grid-template-columns:1fr 1fr;gap:20px}.usage-card{padding:24px}.guide-card{padding:15px 0}.format-tab{padding:22px 15px;min-height:96px}.format-tab strong{font-size:1rem}.format-tab small{font-size:.7rem}.panel{padding:23px}.site-footer{padding:25px 22px 30px;font-size:.64rem}.stats-grid{grid-template-columns:1fr 1fr}.admin-grid{display:flex;flex-direction:column}.create-panel,.codes-panel{width:100%}.create-panel form{display:block}.create-panel form>.form-pair{margin-top:18px}.admin-login{margin:45px auto 80px}.upload-action{align-items:flex-start}.upload-action .hint{font-size:.75rem}}
@media(max-width:440px){.format-tabs{gap:10px}.format-tab{flex-direction:column;align-items:flex-start;padding:20px 13px;gap:13px}.format-tab small{font-size:.68rem}.workspace-aside{grid-template-columns:1fr}.guide-card{padding:15px 8px}.upload-row{align-items:flex-start;flex-direction:column}.row-actions{align-self:flex-end}.workspace-heading{gap:12px}.account-chip{max-width:100px}.welcome h1{font-size:2.5rem}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.desktop-panel{margin-top:22px}.desktop-panel .panel-top{align-items:flex-start}.desktop-panel .panel-top>.button{flex-shrink:0}.desktop-row{display:flex;align-items:center;gap:13px;border-top:1px solid var(--line);padding:12px 0;min-height:65px}.desktop-item-icon{display:grid;place-items:center;color:white;border-radius:7px;width:35px;height:35px;flex:none;font-size:.9rem;font-weight:700}.desktop-item-info{min-width:0;flex:1}.desktop-item-info strong{display:block;color:var(--ink);font-size:.86rem}.desktop-item-info small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:4px;color:var(--muted)}.desktop-row-actions{display:flex;gap:4px}.desktop-icon-button{width:32px;height:32px;display:grid;place-items:center;background:transparent;border-radius:6px;color:#6b7b94;font-size:1.1rem}.desktop-icon-button:hover:not(:disabled){background:#edf2ff;color:var(--blue)}.desktop-form{border-top:1px solid var(--line);padding-top:21px;margin-top:5px}.desktop-fields{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:14px}.desktop-fields label{margin:0}.desktop-fields input{margin-top:8px}.desktop-colors{display:flex;gap:12px;align-items:center;border:0;padding:0;margin:18px 0 12px}.desktop-colors legend{font-size:.8rem;color:#45526a;font-weight:600;margin-bottom:10px}.desktop-colors label{margin:0;cursor:pointer}.desktop-colors input{position:absolute;opacity:0;width:1px;height:1px}.desktop-colors span{display:block;width:25px;height:25px;background:var(--swatch);border-radius:50%;border:3px solid #fff;box-shadow:0 0 0 1px #d5dce8}.desktop-colors input:checked+span{box-shadow:0 0 0 2px var(--swatch)}.desktop-colors input:focus-visible+span{outline:3px solid #a4bdff;outline-offset:3px}.desktop-actions{display:flex;align-items:center;gap:18px}.desktop-panel .hint{margin-bottom:0}@media(max-width:570px){.desktop-panel .panel-top{align-items:flex-start;flex-direction:column}.desktop-fields{grid-template-columns:1fr}.desktop-row{flex-wrap:wrap}.desktop-row-actions{width:100%;justify-content:flex-end}}

/* Keep the creation action within a typical classroom laptop viewport. */
@media(min-width:761px){.site-header{height:78px}.shell{margin-top:20px}.workspace-heading{margin-bottom:24px}.generator-panel{padding:24px}.generator-panel .panel-top{margin-bottom:18px}.source-tabs{margin-bottom:18px}.generator-panel .hint{margin:8px 0}.generation-summary{margin-top:18px;padding-top:18px}#generateForm>.button{margin-top:14px}}
